You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear（）.

I’d like to know something about the cargo condition at the loading port（）detail.

My ship（）that port next month.

Pilot Station，this is Chinese ship Jinsha（）.Over.

There is a（）mine in position 50°N，30°W.

A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.

Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.

The control of distress traffic is the responsibility of（）.

I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.

Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.